ABCB1 in the Mouse Placenta (IMAGE) The Company of Biologists Caption Immunofluorescence reveals that the ABCB1 protein (in green) localises to the labyrinth zone of the mouse placenta. Credit Dr. Mariana Astiz, University of Lubeck. Usage Restrictions The image may only be used with appropriate caption or credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.